Of course! Of course I'm sure you're familiar with the Starfleet pennant on the side of the TOS Enterprise's hull (and nacelles), which is the TOS Starfleet boomerang. It was also seen hanging on the walls of Starfleet command locations, like in in court room in "Court Martial" - [link]

It was also seen behind Starfleet admirals and commodores when they would speak to Kirk over subspace, like in this frame from "The Trouble with Tribbles" - [link]

In the TOS era, each starship had its own distinctive badge that members of its crew would wear. That way, you could tell what starship someone belonged to just by looking at their badge. Only USS Enterprise crewpeople wore the "arrowhead;" people from other ships wore other ship badges. For example...

Even the seriously flawed (and in my opinion, non-canon) TV show "Enterprise" got this right, when they designed a specific badge for the 23rd century starship USS Defiant: [link]

Starfleet personnel who were NOT assigned to a starship, and were instead part of a starbase or other installation, would wear the "starburst" badge (even if they were in temporary command of a starship), seen here:

No problem - I'm glad I could be of help! A lot of people don't realize how developed the universe of TOS was, so a lot of this knowledge isn't widely known. Being a hardcore fan of TOS I know a lot about it, so if you need to know ANYTHING (no matter what), just ask!

Cadets wore a smaller, silver version of the stock Starfleet "starburst" badge (seen here in "Shore Leave"): [link] That way, you knew two things: 1. They weren't assigned to a ship, but rather a Starfleet installation, and 2. Said installation was the Academy (or a campus thereof) and that they weren't full-fledged members of Starfleet.

Nice! You did a lovely job of the shading on the Enterprise. Is it possible to see a little detail added to the planets, especially the red alpo planet in the foreground? Maybe a swirling color or shadows of craters?

Love it, and I agree with the sentiment: less military, more travel-oriented works here.

Can I see the text done in icy blues instead of warm yellows? The text is competing a bit much with the background for me, both the upper-right text with the stars, and the lower text with the starfleet insignia. Not sure whether I wanna see a border around the text or just more contrast...